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R&D for HTS cable and FCL Grid application Program - Outline

IEA THS ExCo Meeting/18 May 2009, Tampere. Grid application of HTS Cable and FCL - Recent Development -. Hyun, Ok-Bae. R&D for HTS cable and FCL Grid application Program - Outline.

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R&D for HTS cable and FCL Grid application Program - Outline

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  1. IEA THS ExCo Meeting/18 May 2009, Tampere Grid application of HTS Cable and FCL - Recent Development - Hyun, Ok-Bae • R&D for HTS cable and FCL • Grid application Program - Outline

  2. AMERICAN SUPERCONDUCTOR RECEIVES WIRE ORDER FOR FIRST SUPERCONDUCTOR POWER CABLE TO BE DEPLOYED IN KOREA’S COMMERCIAL GRID -         LS Cable to Manufacture and Install 22.9 Kilovolt Superconductor Power Cable System in Korea Electric Power Corporation’s Grid Near Seoul -         World’s Largest Commercial Order for Second Generation Superconductor Wire to be Delivered in 2009; Cable to be Energized by End of 2010 HANNOVER, Germany – April 20, 2009 – American Superconductor Corporation (NASDAQ: AMSC), a leading energy technologies company, today announced at Hannover Fair 2009 that LS Cable Ltd. (LS Cable) has ordered approximately 80,000 meters (50 miles) of 344 superconductors, which is AMSC’s proprietary brand of second generation (2G) high temperature superconductor (HTS) wire. LS Cable will utilize the wire to manufacture a 22.9 kilovolt (kV) cable system that it will install in Korea Electric Power Corporation’s (KEPCO) commercial power delivery network near the city of Seoul in 2010.  Founded in 1962 and based in Anyang, South Korea, LS Cable is Korea’s largest power cable manufacturer with nearly 8,200 employees worldwide and annual sales in excess of US$6 billion. This is the single largest commercial order for 2G HTS wire in the world. “With the ability to carry vast amounts of electricity in a small right of way,

  3. R&D for HTS cable and FCL • R&D under DAPAS and ETEP program • Development under 21C Frontier Program, DAPAS • 22.9 kV, 1,250 A HTS cable • 22.9 kV, 630 A HTS FCL • Operation test at KEPCO Gochang Test Center • 2 HTS Cable Tests, 22.9 kV, 1,250 A, 3 phases • KEPRI – Sumitomo cable • LS Cable • Each installed and operated at isolated power system • 1 HTS FCL, 22.9 kV, 630 A, 3 phases • Installed and being operated at an no-load power line Performance test Operation skill Reliability test Commercial Operation at an real power grid Test application of HTS cable and FCL) at the real grid under KETEP - KEPCO program

  4. KEPCO Gochang Test Center Daejeon Gochang Test center

  5. KEPCO HTS cable test system • Electrical Operation Characteristics : • 22.9 kV, 1250 A, 50 MVA • Manufactured by Sumitomo Electric • Physical Characteristics : • 100 m long, • Cold dielectric • Three phase in one cryostat • Three in one termination LS HTS cable KEPCO HTS cable

  6. HTS Cable Acceptance Tests have been done • Factory Witness Test • Long Term Rated Load Test - 1250 A rated current was loaded continuously for approximately 32 days • Load Cycle Test • Cryogenic System Response • Dielectric Properties During Load Cycle Test • Thermal Cycle Test • History of the Critical Current • Heat loss dependence on Thermal Cycle Test • Simulated overload cooling test • Unbalanced 3Φ Load Test • And more

  7. HTS Cable and Test by LS Cable Evaluation of 100 m long 22.9 kV 50 MVA HTS Cable System Physical and electrical layouts • HTS Cable System • Cold Dielectric • 22.9kV (Nominal), 13.2kV(Phase) • 3 Types of cryo-coolers incorporated for comparison • HTS Cable • Diameter : 145mm (Nominal) • Aluminum Cryostat • PVC Sheath • ~ 35kV Insulation level (Nominal) • 3 - phases in one cryostat • FC Stabilizer incorporated

  8. Configuration and thermal layouts Configuration of system installation ( Fully simulating real grid conditions ) Pipe Duct [15 m] Termination (Load) Tunnel (55 m) Termination (Power source) Joint box U-bend On the ground [30 m] 100 m Joint box Ground level Termination (Load) Termination (Power source)

  9. Development and operation test of HTS FCL • Development • Fabrication and short-circuit test of a SFCL (22.9 kV/630 A 3) • Line commutation type, small size and low cost • Satisfying local requirements (ratings, size, reclosing, limitation time, etc) Control & Monitoring Parts H 1.2 m × L 2.4 m × H 2.5 m Fast Switch HTS+Cryostat CLR

  10. SFCL development and tests

  11. Operation test facility

  12. Operation test – to be done

  13. Grid application program • Aprojectfor HTS cable and FCL application in the real grid • Planned and approved in 2008 • Project started by Nov. 2008 • (SFCL starts by Nov. 2009) • Project Goal : • Grid application of 22.9 kV, 50 MVA HTS cable (500 m) and 22.9 kV, 630 A SFCL – O & M technology • 22.9 kV, 150 MVA HTS cable and 22.9 kV, 3,000 A SFCL

  14. Project Overview • Title : Development of O&M Technology for Applying 22.9kV HTS Cables and FCLs to the Commercial Power Grid • Sub1:Power System Analysis for Applying 22.9kV HTS Cables and FCLs to the Commercial Power Grid • Sub2: Development of O&M Technology for Applying 22.9kV HTS Cables to the Commercial Power Grid • Sub3: Development of 22.9kV SFCL Fabrication and Operation Technology for Application to Commercial Power Grids • Period : November 2008 ~October 2013 (60 Months) • Sub3 : Nov. 2010 ~ Oct. 2013 (48 Months) • Fund : 24.28 Billion Won (Government : 12.12 BWon, KEPCO : 8.66 BWon, LSC : 3.50 BWon)

  15. Project Targets

  16. Project Team * LSC: LS Cable Inc. LSIS: LS Industrial Systems Co. KBSI: Korea Basic Science Institute KERI: Korea Electromagnetic Research Institute CNU : Chonnam National University CBPC : Chungbuk Province Colledge

  17. HTS cable installation schemes - proposed 154/22.9kV MTR DS CB HTS Cable 500m HTS Cable 500m HTS Cable 500m load load load [Location of HTS cables]

  18. SFCL installation scheme 154/22.9 kV M.Tr DS CB 3,000 A SFCL SFCL SFCL 630 A SFCL D/L D/L D/L

  19. Installation by 2010 • HTS Cable • AMSC 2G wire (AMSC 344) by October 2009 • The largest contract of 2G wire • To be delivered till October 2009 • HTS cable system • Cable system to be completed by December • To be installed in 2010 • SFCL • Operation test will continue through 2010 • SFCL system (upgraded) to be completed by upper half of 2010, and to be installed by the end of 2010

  20. Icheon substation Seoul Incheon Icheon S/S Icheon

  21. 이천 변전소

  22. Cable layout – One of the 3 proposals Simulated duct on a breast wall On the ground slope Cooling & Control On the ground 열거동 관측지점 (Off-Set) Terminals 2 Sets Manhole, joing box (on the surface) Duct

  23. SFCL layout - A proposal 1 A underground feeder surfaced to connect the SFCL near the fence

  24. Summary • 22.9 kV HTS cable and SFCL have been developed and operation-tested • Real grid application and test-commercial operation of • 22.9 kV 50 MVA (500 m) HTS cable • 22.9 kV, 630 A and3,000 A SFCL • To be installed in 2010 in Icheon S/S

  25. MTR 154 kV/22.9 kV 100 MVA ∆ ∆ Y Y SFCL CB Demand for 22.9 kV line protection – SFCL proposed • KEPCO is seeking a solution to controlthe increased fault current associated with the system upgrade in the 22.9 kV grid • Background • Increased power demand • Upgrade the 154/22.9 kV substations • Replace the 154 kV/22.9 kV MTR • 60 MVA  100 MVA • Problem • Increased fault current at the 22.9 kV side • Fault current > the Max. allowed value • Search a solution • Upgrade all feeders, %Z increase, … : No! • SFCL proposed at MTR 22.9 kV side • Cost effective • Simple procedures For MTR protection or bus-bar connection Irated 3 kA, To be developed For feeder protection

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